Creating Accessible Websites with Bootstrap

How can developers ensure their Bootstrap-based websites are fully accessible to all users, including those with disabilities? Discuss the importance of semantic HTML, ARIA roles, and keyboard navigation in improving accessibility. What Bootstrap-specific features can help developers create more inclusive web experiences, and how can they ensure that components like modals, forms, and navigation menus are accessible? Additionally, how can developers use tools like screen readers and automated accessibility testing to verify their sites comply with standards such as WCAG (Web Content Accessibility Guidelines)?